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PhD Dissertations
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Modeling and Verification of Simulation tools for Carburizing and Carbonitriding
Keyword:
Nondestructive testing
,
Modeling
,
Carbonitriding
,
Carburizing
,
Barkhausen Noise
, and
Hollomon-Jaffe Equation
Creator:
Zhang, Lei
Advisor:
Sisson, Richard D.
Publisher:
Worcester Polytechnic Institute
Date Created:
2017-05-31
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Materials Science & Engineering
Development and Application of Reaction Route Graph Representation and Analysis of Catalytic Reaction Networks
Keyword:
reaction resistance
,
Water gas shift reaction
,
reaction affinity
,
catalytic reaction
,
Methane Steam Reforming
,
reaction route graph analysis
, and
oxygen reduction reaction
Creator:
O'Malley, Patrick Daniel
Advisor:
Datta, Ravindra
Publisher:
Worcester Polytechnic Institute
Date Created:
2017-01-18
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Chemical Engineering
Designing Modular Fibrin Composite Scaffolds for Enhanced Ventricular Myocardium Regeneration
Keyword:
cardiac patch
and
fibrin composite
Creator:
Chrobak, Megan O'Brien
Advisor:
Pins, George D
Publisher:
Worcester Polytechnic Institute
Date Created:
2017-12-04
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Biomedical Engineering
Pressure-Operated Soft Robotic Snake Modeling, Control, and Motion Planning
Keyword:
Control
,
Motion Planning
,
soft robotics snake
, and
Modeling
Creator:
Luo, Ming
Advisor:
Onal, Cagdas
Publisher:
Worcester Polytechnic Institute
Date Created:
2017-08-19
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Robotics Engineering
SRML: Space Radio Machine Learning
Keyword:
satellite communications
,
Cognitive Radio
, and
Machine Learning
Creator:
Ferreira, Paulo Victor Rodrigues
Advisor:
Wyglinski, Alexander
Publisher:
Worcester Polytechnic Institute
Date Created:
2017-04-27
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Electrical & Computer Engineering
Towards Closed-loop, Robot Assisted Percutaneous Interventions under MRI Guidance
Keyword:
needle steering
,
MRI
,
closed-loop
,
stereotactic neurosurgery
,
robot-assisted
, and
prostate interventions
Creator:
Patel, Niravkumar Amrutlal
Advisor:
Fischer, Gregory S.
Publisher:
Worcester Polytechnic Institute
Date Created:
2017-04-19
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Robotics Engineering
Bayesian Models for the Analyzes of Noisy Responses From Small Areas: An Application to Poverty Estimation
Keyword:
Continuous and Positively Skewed distribution
,
Logarithmic transformation
,
Noisy responses
,
GB2 distribution
,
Poverty
,
Hierarchical Bayesian
,
Metropolis Hastings alogrithm
,
Noninformative priors
,
Small Area Estimation
, and
Non-normality
Creator:
Manandhar, Binod
Advisor:
Nandram, Balgobin
Publisher:
Worcester Polytechnic Institute
Date Created:
2017-04-26
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Mathematical Sciences
Development of a Human Mesenchymal Stem Cell and Pluripotent Stem Cell Derived Cardiomyocyte Seeded Biological Suture for Cell Delivery to Cardiac Tissue for Cardiac Regeneration Applications
Keyword:
fibrin microthreads
,
cardiovascular regeneration
,
Mesenchymal Stem Cells
,
human pluripotent stem cell derived cardiomyocytes
, and
high density mapping
Creator:
Hansen, Katrina J
Advisor:
Gaudette, Glenn R.
Publisher:
Worcester Polytechnic Institute
Date Created:
2017-12-13
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Biomedical Engineering
Computer Vision and Machine Learning for Autonomous Vehicles
Keyword:
Computer Vision
,
autonomous vehicles
, and
Machine Learning
Creator:
Chen, Zhilu
Advisor:
Huang, Xinming
Publisher:
Worcester Polytechnic Institute
Date Created:
2017-10-22
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Electrical & Computer Engineering
A Study of Moisture Induced Material Loss of Hot Mix Asphalt (HMA)
Keyword:
Moisture Induced Stress Tester
,
HMA
,
Dynamic Modulus
,
moisture damage
,
Asphalt
,
Dissolved Organic Carbon
,
system dynamics
,
indirect tensile strength
,
fineness modulus
, and
seismic modulus
Creator:
Arepalli, Uma Maheswar
Advisor:
Mallick, Rajib B.
Publisher:
Worcester Polytechnic Institute
Date Created:
2017-12-04
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Civil & Environmental Engineering
Heat Transfer, Hardenability and Steel Phase Transformations during Gas Quenching
Keyword:
quench
,
Heat Transfer
,
hardenability
, and
gas quench
Creator:
Lu, Yuan
Advisor:
Sisson, Richard D.
Publisher:
Worcester Polytechnic Institute
Date Created:
2017-11-14
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Manufacturing Engineering
Flow Distribution Control and Thermal Homogenization with EHD Conduction Pumping and Experimental Studies in Pool Boiling and Internal Condensation
Keyword:
Conduction pumping
,
Electrohydrodynamic (EHD)
,
Internal condensation
,
Flow distribution control
,
Pool boiling
, and
Thermal homogenization
Creator:
Yang, Lei
Advisor:
Yagoobi, Jamal
Publisher:
Worcester Polytechnic Institute
Date Created:
2017-09-07
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Mechanical Engineering
Change-points Estimation in Statistical Inference and Machine Learning Problems
Keyword:
Distributed learning
,
Machine Learning
, and
change-points
Creator:
Zhang, Bingwen
Advisor:
Lai, Lifeng
Publisher:
Worcester Polytechnic Institute
Date Created:
2017-08-14
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Electrical & Computer Engineering
Precise Tracking of Things via Hybrid 3-D Fingerprint Database and Kernel Method Particle Filter
Keyword:
LOS
,
NCOOP
,
CRLB
,
NLOS
,
COOP
,
Wi-Fi
,
TOA
,
RSS
,
PF
, and
UWB
Creator:
Bargshady, Nader
Advisor:
Pahlavan, Kaveh
Publisher:
Worcester Polytechnic Institute
Date Created:
2017-08-23
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Electrical & Computer Engineering
Diffraction Analysis with UWB Validation for ToA Ranging in the Proximity of Human Body and Metallic Objects
Keyword:
Ray Theory
,
Computational Methods
,
Metallic Objects
,
TOA
,
FDTD
, and
Human Body
Creator:
Askarzadeh, Fardad
Advisor:
Pahlavan, Kaveh
Publisher:
Worcester Polytechnic Institute
Date Created:
2017-08-08
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Electrical & Computer Engineering
A Decision Support Framework for Assessing the Technical Adequacy of Performance-Based Design Approaches to Fire Safety Engineering
Keyword:
Risk
,
Fire Safety
,
Fire Protection
,
Decision Support
, and
Performance-Based Design
Creator:
Ivans, William Jeffrey, Jr.
Advisor:
Meacham, Brian Jay
Publisher:
Worcester Polytechnic Institute
Date Created:
2017-12-19
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Fire Protection Engineering
Aluminum microstructure evolution and effects on mechanical properties in quenching and aging process
Keyword:
Aluminum
,
Heat treat
,
Microstructure
, and
Constitutive model
Creator:
Guo, Guannan
Advisor:
Sisson, Richard D.
Publisher:
Worcester Polytechnic Institute
Date Created:
2017-07-31
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Manufacturing Engineering
Distributed Statistical Learning under Communication Constraints
Keyword:
Distributed learning
,
coordinate descent
,
Parameter Estimation
,
Convex Optimization
,
sufficient statistics
, and
MVUE
Creator:
El Gamal, Mostafa
Advisor:
Lai, Lifeng
Publisher:
Worcester Polytechnic Institute
Date Created:
2017-06-21
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Electrical & Computer Engineering
New Approaches for Efficient Fully Homomorphic Encryption
Keyword:
large integer multiplier
,
Fully homomorphic encryption
, and
fhe hardware design
Creator:
Doroz, Yarkin
Advisor:
Sunar, Berk
Publisher:
Worcester Polytechnic Institute
Date Created:
2017-06-14
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Electrical & Computer Engineering
Enabling Motion Planning and Execution for Tasks Involving Deformation and Uncertainty
Keyword:
robust execution
,
robotic manipulation
,
path quality
,
Learning from Demonstration
,
inverse optimal control
,
planning with uncertainty
,
deformable objects
, and
Motion Planning
Creator:
Phillips-Grafflin, Calder
Advisor:
Berenson, Dmitry
Publisher:
Worcester Polytechnic Institute
Date Created:
2017-06-07
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Robotics Engineering
Corrosion Behavior of Direct Metal Laser Sintered Ti-6Al-4V for Orthopedic Applications
Keyword:
direct metal laser sintering
,
Microstructure
,
corrosion behavior
, and
Ti-6Al-4V
Creator:
Xu, Yangzi
Advisor:
Liang, Jianyu
and
Sisson, Richard D.
Publisher:
Worcester Polytechnic Institute
Date Created:
2017-05-09
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Materials Science & Engineering
Variation in tissue correction factors for LiF, Al2O3 and Silicon Dosimeters as a function of tissue depth with comparison between intensity weighted mono-energetic photon and the poly-energetic photons used in brachytherapy and diagnostic radiology.
Keyword:
Dosimeter
,
MCNP
, and
Tissue Correction Factor
Creator:
Poudel, Sashi
Advisor:
Medich, David Christopher
Publisher:
Worcester Polytechnic Institute
Date Created:
2017-10-14
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Physics
Development of a Biomimetic In Vitro Skeletal Muscle Tissue Model
Keyword:
3D Tissue
,
Tissue Engineering
,
Muscular Dystrophy
,
Skeletal Muscle
,
High-throughput Screening
, and
In Vitro Model
Creator:
Forte, Jason Matthew
Advisor:
Page, Raymond L.
Publisher:
Worcester Polytechnic Institute
Date Created:
2017-04-12
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Biomedical Engineering
Theory and Practice: Improving Retention Performance through Student Modeling and System Building
Keyword:
Intelligent Tutoring System
,
Deep Learning
,
student modeling
,
Performance factors analysis
,
Knowledge tracing
,
Knowledge retention
,
Robust learning
,
Recurrent neural networks
,
Educational data mining
, and
Spacing effect
Creator:
Xiong, Xiaolu
Advisor:
Beck, Joseph E.
Publisher:
Worcester Polytechnic Institute
Date Created:
2017-04-21
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Computer Science
Software-defined Networking: Improving Security for Enterprise and Home Networks
Keyword:
residential networking
,
enterprise networking
,
network security
,
software-defined networking
, and
Security
Creator:
Taylor, Curtis Robin
Advisor:
Shue, Craig A.
Publisher:
Worcester Polytechnic Institute
Date Created:
2017-04-24
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Computer Science
Feasibility Investigation of Real-time Quantitative Quasi-static Ultrasound Elastography
Keyword:
Ultrasound
,
quantitative
,
quansi-static
,
Real time
, and
elastography
Creator:
Yuan, Lili
Advisor:
Pedersen, Peder C.
Publisher:
Worcester Polytechnic Institute
Date Created:
2017-04-25
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Electrical & Computer Engineering
Cross-core Microarchitectural Attacks and Countermeasures
Keyword:
Side Channel Attacks
,
Microarchitectural attacks
, and
cache attacks
Creator:
Irazoki, Gorka
Advisor:
Eisenbarth, Thomas
Publisher:
Worcester Polytechnic Institute
Date Created:
2017-04-24
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Electrical & Computer Engineering
Multi-Material Metal Casting: Metallurgically Bonding Aluminum to Ferrous Inserts
Keyword:
intermetallic layer
,
compound casting
, and
metallurgical bond
Creator:
Soderhjelm, Carl
Advisor:
Apelian, Diran
Publisher:
Worcester Polytechnic Institute
Date Created:
2017-04-25
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Materials Science & Engineering
3D Multi-Physics MRI-Based Human Right Ventricle Models for Patients with repaired Tetralogy of Fallot: Cardiac Mechanical Analysis and Surgical Outcome Prediction
Keyword:
heart model
,
Tetralogy of Fallot
,
pulmonary valve replacement
,
Right Ventricle
, and
congenital heart disease
Creator:
Zuo, Heng
Advisor:
Tang, Dalin
Publisher:
Worcester Polytechnic Institute
Date Created:
2017-04-22
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Mathematical Sciences
Fundamental Limits of Poisson Channels in Visible Light Communications
Keyword:
ergodic capacity
,
sum-rate capacity
,
Poisson channels
,
multi-access channels
,
optimal power allocation
, and
outage probability
Creator:
Ain-Ul-Aisha, FNU
Advisor:
Lai, Lifeng
Publisher:
Worcester Polytechnic Institute
Date Created:
2017-04-18
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Electrical & Computer Engineering
Incorporating cinnamaldehyde into concrete for corrosion mitigation
Keyword:
Corrosion
,
Lightweight aggregate
,
Bioactive agent
, and
Cinnamaldehyde
Creator:
Jafferji, Hajar
Advisor:
Sakulich, Aaron R.
Publisher:
Worcester Polytechnic Institute
Date Created:
2017-02-07
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Civil & Environmental Engineering
Examining the Potential Threat of Pesticide and Pathogen Exposure on Wild Bumble Bees: Proposed Lethal and Sublethal Mechanisms Contributing to Pollinator Decline
Keyword:
voluntary task switching
,
pollinator
,
Antimicrobial peptides
,
bumble bee
,
clothianidin
,
Bombus impatiens
,
neonicotinoid
,
sickness behavior
,
ecotoxicology
,
cognitive flexibility
, and
serial reversal
Creator:
Mobley, Melissa Walsh
Advisor:
Gegear, Robert J.
Publisher:
Worcester Polytechnic Institute
Date Created:
2017-01-26
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Biology & Biotechnology
Evaluation of Electrochemical Storage Systems for Higher Efficiency and Energy Density
Keyword:
regenerative fuel cell
,
Efficiency
,
PEM fuel cells
,
electrocatalysis
,
methanol electrolysis
,
ionic liquids
,
renewable energy
,
energy storage
,
electrochemical energy storage
,
hydrogen storage
,
methanol
,
Fuel Cells
,
catalytic reforming
,
electrolysis
,
redox flow battery
,
mathematical model
,
diffusion layer
,
alternative energy
,
anion exchange membranes
,
hydrogen-bromine fuel cell
,
hydrogen-halogen fuel cell
,
cation exchange membranes
, and
molten salts
Creator:
Martino, Drew J
Advisor:
Datta, Ravindra
Publisher:
Worcester Polytechnic Institute
Date Created:
2017-01-25
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Chemical Engineering
Affective Motivational Collaboration Theory
Keyword:
Emotion Functions
,
Affect-Awareness
,
Appraisal
,
Human-Robot Collaboration
,
Affect
, and
Goal Management
Creator:
Shayganfar, Mohammad
Advisor:
Rich, Charles
Publisher:
Worcester Polytechnic Institute
Date Created:
2017-01-25
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Computer Science
Microkinetics of Hydrogen Permeation through Dense Solid and Liquid Metal Membranes
Keyword:
liquid metal
,
SLiMM
,
Hydrogen Permeation
, and
Membranes
Creator:
Deveau, Nicholas D
Advisor:
Datta, Ravindra
Publisher:
Worcester Polytechnic Institute
Date Created:
2017-01-21
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Chemical Engineering
Enabling 5G Technologies
Keyword:
software-define radio
,
wireless
,
communication systems
, and
Signal Processing
Creator:
Collins, Travis Fredrick
Advisor:
Wyglinski, Alexander
Publisher:
Worcester Polytechnic Institute
Date Created:
2017-01-18
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Electrical & Computer Engineering
Modeling Manifest and Latent Structures in a University: Understanding Resources and Dissent Dynamics
Keyword:
performance management
,
organization behavior
,
employee voice and silence
,
system dynamics
,
university management
,
organizational learning
,
innovation management
,
economic development
,
higher education
,
theory building
,
organization design
,
computer modeling and simulation
,
strategic management
,
stakeholder engagement
,
organizational culture
, and
organization communication
Creator:
Zaini, Raafat Mahmoud
Advisor:
Saeed, Khalid
Publisher:
Worcester Polytechnic Institute
Date Created:
2017-01-23
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Social Science & Policy Studies
Tutoring Students with Adaptive Strategies
Keyword:
decision tree
,
k-armed bandits
,
Student Model
,
contextual bandits
,
adaptive learning
, and
prerequisite
Creator:
Wan, Hao
Advisor:
Beck, Joseph E.
Publisher:
Worcester Polytechnic Institute
Date Created:
2017-01-18
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Computer Science
Si/C Nanocomposites for Li-ion Battery Anode
Keyword:
Anode
,
Lithium-ion Battery
,
Silicon
, and
Graphene
Creator:
Cen, Yinjie
Advisor:
Liang, Jianyu
Publisher:
Worcester Polytechnic Institute
Date Created:
2017-01-20
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Materials Science & Engineering
Application of Phase Change Materials to Improve the Thermal Performance of Buildings and Pavements
Keyword:
Lightweight aggregate
,
Service Life of Pavements
,
Phase Change Materials
,
Occupant Comfort
,
Temperature Changes in Buildings
, and
Rice Husk Ash
Creator:
Pourakbar Sharifi, Naser
Advisor:
Sakulich, Aaron R.
Publisher:
Worcester Polytechnic Institute
Date Created:
2017-01-11
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Civil & Environmental Engineering
Semi-autonomous robotic wheelchair controlled with low throughput human- machine interfaces
Keyword:
BCI
,
shared steering control
,
shared position control
,
Wheelchair
,
shared control
,
NoVeLTI
,
any-angle path planning
,
CWave
,
low throughput interface
,
brain-computer interface
,
Navigation
,
Adaptive Control
, and
assistive drive
Creator:
Sinyukov, Dmitry Aleksandrovich
Advisor:
Padir, Taskin
Publisher:
Worcester Polytechnic Institute
Date Created:
2017-05-01
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Robotics Engineering
Creating Systems and Applying Large-Scale Methods to Improve Student Remediation in Online Tutoring Systems in Real-time and at Scale
Keyword:
Bayesian networks
,
learnersourcing
,
Bayesian hypothesis testing
,
crowdsourcing
,
machine-learning
,
multi-armed bandits
,
Learning Maps
,
buggy messages
,
PeerASSIST
, and
real-time scalable systems
Creator:
Selent, Douglas A
Advisor:
Heffernan, Neil
Publisher:
Worcester Polytechnic Institute
Date Created:
2017-06-08
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Computer Science
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